I looked inside once, but there are no notes or folds that would serve as hints for solving the puzzle. It's almost like new. I have kept it at home. #Other Puzzles Here Instant purchase OK No price reduction Bundle purchase OK (200 yen off for each puzzle after the first) Puzzle Puzzle Clear File Clear File with Puzzle Take-home Puzzle With Hints Puzzle Real Escape Game SCRAP Tumbleweed Recommended for people who enjoy the Real Escape Game SCRAP